linux-kernel - Re: PROBLEM: kernel reboot before Decompressing Linux, after setting video mode

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Date:	Sun, 6 Sep 2009 07:27:45 +0200
From:	Pavel Machek <pavel@....cz>
To:	VirginSnow@...mail.net
Cc:	linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: kernel reboot before Decompressing Linux, after
	setting video mode

On Thu 2009-09-03 20:49:48, VirginSnow@...mail.net wrote:
> [1.] One line summary of the problem:    
> 
>      Linux kernel 2.6.30.5 reboots after setting video mode, but
>      before issuing the "Decompressing Linux" message.

Did earlier kernels work with same config? If yes, then that's rather
nasty regression; cc rjw and see what happens :-).

								Pavel


> [2.] Full description of the problem/report:
> 
>      I just compiled a kernel from the official 2.6.30.5 sources using
>      gcc 3.4.4.  "make xconfig" was used to configure the kernel, and
>      the .config was NOT edited by hand.  EARLY_PRINTK=y in .config.
> 
>      Initial builds failed due to unresolved ".L1234" symbols.  Using
>      "make xconfig" to disable uncompilable code resulted in a
>      successful kernel build.
> 
>      Booting the resulting kernel outputs the message "Probing EDD"
>      and then reboots.  Passing "edd=on" or "edd=off" on the kernel
>      command line does not help; the kernel always reboots.
> 
>      Passing "vga=ask" allows me to select a video mode, which appears
>      to take effect properly.  Immediately after setting the video
>      mode, however, the machine reboots.
> 
>      The problem behavior is repeatable and consistent.

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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